N51 ROAD, IRELAND

N51 Destinations (West to East) Length 58 km
★ 'County Westmeath' ★ ★ Delvin, leaves N52 ★ ★ Crosses the ''Stoneyford River'' ★ 'County Meath' ★ ★ Athboy - R154 Crosses the ''Athboy River'' ★ ★ Boyerstown - ''Junction with the M3 motorway under construction'' ★ ★ Navan - R161 N3 R153 R162 ★ ★ Navan - Crosses the ''River Blackwater'' ★ ★ R163 ★ ★ Slane - N2 ★ 'County Louth' ★ ★ M1 ★ ★ Drogheda Terminates at junction with the R132

The 'N51' is a national secondary road in Ireland.
West to east, it starts in Delvin, County Westmeath at a junction with the N52. It passes through Athboy, Navan and Slane, all in County Meath, before crossing the M1 motorway and terminating near Drogheda in County Louth at a junction with the R132.
It is an unusual arrangement for a National Secondary road to terminate as a side road from a regional road. However the R132 is the the former N1 route (now by-passed by the M1 motorway) and is of a a higher standard than the National Secondary Route.

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Currently under construction (2007) is a ''Navan Inner Relief'' road which will carry the N51 from the western edge of the town to the N3. It will then leave the N3 eastwards, bypassing the centre of the town.

See also

★ Roads in Ireland - National Primary Roads

★ Secondary roads

★ Regional roads